@Article{acpd-4-2991-2004,
AUTHOR = {Hell\'en, H. and Hakola, H. and Reissell, A. and Ruuskanen, T. M.},
TITLE = {Carbonyl compounds in boreal coniferous forest air in Hyytiälä, Southern Finland},
JOURNAL = {Atmospheric Chemistry and Physics Discussions},
VOLUME = {4},
YEAR = {2004},
NUMBER = {3},
PAGES = {2991--3011},
URL = {http://www.atmos-chem-phys-discuss.net/4/2991/2004/},
DOI = {10.5194/acpd-4-2991-2004}
}